The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 475 K is 0.0450 1/min, then what is the value of the rate constant at 693 K? (R = 8.314 J/mol. K)

Can the solution be written out and solved step by step?

Please don't provide handwrritten solution .....

[References] Use the References to access important values if needed for this question. In the laboratory you dissolve 15.7 g of cobalt(II) fluoride in a volumetric flask and add water to a total volume of 125. mL. What is the molarity of the solution? M

How will you separate soluble and insoluble impurities?

Please don't provide handwritten solution .....

[Review Topics] [References] Use the References to access important values if needed for this question. An aqueous solution of ammonium acetate, NH, CH3COO, is made by dissolving 8.30 grams of ammonium acetate in sufficient water in a 100. mL volumetric flask, and then adding enough water to fill the flask to the mark. What is the weight/volume percentage of ammonium acetate in the solution? Weight/volume percentage = % Submit Answer Retry Entire Group 4 more group attempts remaining Previous Email Instructor Next Save and Exit

If you by accident add more water than needed to your flask would the determined concentration of your unknown sample increase, decresae, or stay the same?

A 12 fluid ounce serving of milk contains mostly water and about 413 mg of calcium. What is the concentration of calcium in the aqueous liquid in units of Part Per Million on a mass basis (ppmm). There are 33.814 fluid ounces per liter.